Litter box stand



FIG. 1 is a perspective view of the litter box stand;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left elevation view thereof; and,

FIG. 7 is a right elevation view thereof.

The broken lines in the drawings illustrate portions of the litter box stand that form no part of the claimed design. 

CLAIM The ornamental design for a litter box stand, as shown and described. 